package collection;

import java.sql.SQLOutput;
import java.util.ArrayList;
import java.util.List;

public class ListDemo3 {
    public static void main(String[] args) {
        List<Integer> list = new ArrayList<>();
        for(int i=0;i<10;i++){
            list.add(i*10);
        }
        System.out.println("list"+list);

        List<Integer> subList = list.subList(3,8);//含头不含尾
        System.out.println("sublist:"+subList);

        //将子集每个元素扩大十倍
        for (int i=0;i<subList.size();i++){
            subList.set(i,subList.get(i)*10);
        }
        System.out.println("list"+list);
        System.out.println("sublist"+subList);


        list.remove(0);
        System.out.println("list"+list);
        //System.out.println("sublist"+subList);//原集合长度改变后，子集不能再进行任何操作，或者就会报出异常


    }
}
